• SourceForge site for dxgettext
• dxgettext helpers

po file editors

• Gorm for Windows
• KBabel for KDE/Linux
• POEdit for Windows, Macintosh and Linux

Standards

• ISO 639 language codes
• ISO 3166 country codes
• UTF-8 character set standard (RFC 2279)

GNU gettext links

• GNU gettext homepage
• GNU gettext for Win32 on SourceForge
• Franco's GNU gettext for Win32
• MinGW project (includes a gettext port)
• Translation Project
• .mo file format

Components for internationalized applications

• Troy's TnT Unicode controls (for Unicode in Delphi 2007 and older)
• ElPack (unicode controls, unicode on all Windows versions)

Commercial translation systems

• Multilizer (the only one that comes close to compete with us)
• EMS QuickLocalizer
• Korzh Localizer
• TsiLang Components Suite
• Polycon Translator
• Passolo (not specifically for Delphi)

Other non-commercial translation systems

• LinLocalize (Kylix only)